High-Intensity Interval Training (HIIT) alternates short bursts of near-maximal effort with periods of rest or low-intensity recovery. Because it pushes both the cardiovascular and muscular systems, ...

High-intensity interval training has become a staple in the fitness world because of its efficiency and ability to burn ...

TOOLBOX: Interval Training is popular in cycling and many other sports. High-Intensity Interval Training (HIIT) involves short periods of hard efforts separated by low-intensity recoveries. Let’s dig ...

The heart rate rises, the steps quicken – and suddenly you feel your body awaken to the rhythm of the pace. Welcome to ...

For your speed workout, try a fartlek run/walk: After a walking or easy running warmup, run hard for 30 seconds or as long as ...

One of the big debates in endurance sports these days is about “training intensity distribution,” which is a fancy term for how much of your training time you spend going easy, medium, or hard. The ...

Polarized training is based on a clear 80/20 distribution: 80% of your training at low intensity (max HR 65–75%) and 20% intense (at or above the anaerobic threshold), while the middle zone is largely ...

Now that we’re six weeks into our series, we’ve laid a solid foundation for a consistent workout program that includes mobility, strength and cardiovascular exercises. If you missed previous ...

Each week at Military.com Fitness, a workout of the week is posted; it is usually focused on the military recruit/candidate, active-duty and retired members, who can vary widely on the spectrum of ...